00671nam a2200169Ia 4500 140224s9999 xx 000 0 und d 631.416.1:631.67(794) 1978.5.15/.18 (082.2) L8 National Conference on management of Nitrogen in Irrigated Agriculture, California, May 15-18,1978. National conference on management of nitrogen in irrigated agriculture; proceedings Washington NTIS 1978 xi,442p. National Technical Information Services, PB-284 692 Pratt, P.F.,ed. Edited P.F.Pratt Nitrogen in Soils-Congresses,Irrigation-Congresses BK 0 0 0 0 KSD KSD 2014-02-24 0 631.416.1:631.67(794) 1978.5.15/.18 (082.2) L8 4140 2014-02-24 00:00:00 2014-02-24 BK 94668 94668